Intercepting device for lump coal on conveying belt
By designing an interception device for the conveyor belt, and utilizing a trigger plate and linkage mechanism to achieve automatic shutdown, the problem of damage and jamming caused by large pieces of coal to the equipment is solved, ensuring the continuity and safety of production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI BINCHANG HUJIAHE MINING
- Filing Date
- 2025-05-27
- Publication Date
- 2026-04-10
AI Technical Summary
During the coal breaking process in underground tunneling faces of coal mines, large pieces of coal are easily damaged after being pulled into the transportation system, leading to problems such as jamming, stockpiling, fires, and production interruptions. Existing manual monitoring is prone to omissions.
Design a device for intercepting large pieces of coal on a conveyor belt. The device triggers an emergency stop button via a trigger plate and a linkage mechanism to automatically stop the belt conveyor and prevent damage to the equipment from large pieces of coal.
It effectively avoids damage to equipment from large pieces of coal, prevents jamming and fires, ensures production continuity, and reduces the loss of manual monitoring.
Smart Images
Figure CN224104899U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mining technical field, concretely is a kind of for the interception device of large lump coal on conveying belt. BACKGROUND
[0002] In the process of breaking coal (rock) in underground coal mine heading face, part of lump diameter exceeding 300*300mm large lump coal is pulled into the transportation system, after these large lump coal is transported into the system, on the one hand, it will damage the overlapping part of belt roller and crossbeam, on the other hand, it will be blocked in the transfer point part, cause to pile up goods, lead to the emergence of a series of problems, the traditional processing method is that after finding that large lump is pulled into the system, it needs to stop and turn down, uses wind pick to break, if personnel do not notice, the above problems will occur;
[0003] At present, it often needs to be guarded by post personnel to avoid large lump coal, manual guarding is easy to miss, after large lump coal is pulled into the transportation system, it will damage the roller of upper edge when moving with belt conveyor, at the same time, it is easy to cause belt deviation, cause coal (gangue) to fall on the bottom belt, and the coal on the bottom belt is pulled to the drum at the tail of machine, continuous friction will occur, fire accident is easy to occur, at the same time, large lump pulled into the system will be blocked at the transfer point, cause transportation interruption, affect production, therefore, the present application proposes a kind of interception device for large lump coal (gangue) on conveying belt to solve the above problems. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of prior art, the utility model provides an interception device for large lump coal (gangue) on conveying belt, which solves the technical problems raised in the above background.
[0006] (II) technical scheme
[0007] To achieve the above purposes, the utility model takes the technical scheme that an interception device for large lump coal gangue on conveying belt, including the support frame of inverted U, both sides vertical end of support frame are slidably provided with positioning cylinder, and the bottom end of positioning cylinder is installed with fixed clamp, the middle part of support frame is installed with support column, and the top side of support column is installed with positioning shaft, and the positioning shaft is installed with L-shaped linkage rod, the front end of linkage rod is slidably provided with swing rod, and the front end of swing rod is installed with positioning sleeve, and the positioning sleeve is slidably provided with lifting rod in, and the low end of lifting rod is installed with trigger plate, the rear side vertical end of linkage rod is installed with press contact, the middle part position of support frame is installed with emergency stop button, and press contact corresponds with emergency stop button.
[0008] Preferably, the trigger plate is long strip, and the trigger plate is correspondingly arranged on the upper side of the conveying belt of belt conveyor.
[0009] Preferably, the fixed clamps are clamped on the support frames on the side edges of the belt conveyor.
[0010] Preferably, a limiting plate is mounted on the support column, and the front end bottom side of the linkage rod is correspondingly attached on the limiting plate.
[0011] Preferably, the emergency stop button is a press type trigger, and the emergency stop button is electrically connected to the control system of the belt conveyor.
[0012] Preferably, the weight borne by the front end of the linkage rod is always greater than the weight of the rear vertical end of the linkage rod.
[0013] (Three) beneficial effects
[0014] The beneficial effects of the utility model lie in:
[0015] The intercepting device for large coal on the conveying belt can lift the trigger plate when large coal (gangue) passes through, and can realize the movement of the rear end bottom side of the linkage rod to the front side by the cooperation of the lifting rod, the swing rod, the linkage rod and the positioning shaft, can trigger the emergency stop button by pressing the contact, and can transmit the emergency stop signal of the emergency stop button to the control system of the belt conveyor, so that the conveyor can execute the stop operation, and the subsequent processing of the large coal (gangue) can be realized, so that the influence of the large coal on the normal operation of the belt conveyor can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;
[0017] Fig. 2 It is a rear view three-dimensional structure schematic diagram of the utility model;
[0018] Fig. 3 It is a three-dimensional structure schematic diagram of the utility model installed on the belt conveyor.
[0019] In the drawing: 1 support frame, 2 positioning cylinder, 3 fixed clamp, 4 support column, 5 positioning shaft, 6 linkage rod, 7 swing rod, 8 positioning sleeve, 9 lifting rod, 10 trigger plate, 11 press contact, 12 emergency stop button, 13 limiting plate. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] For example, Figs. 1-3The utility model provides a technical scheme: a kind of intercepting device for large coal gangue on conveying belt, including inverted U-shaped support frame 1, both sides vertical end of support frame 1 are slidably provided with positioning cylinder 2, support frame 1 can be adjusted in positioning cylinder 2, and it is fixed by bolt, and the bottom end of positioning cylinder 2 is equipped with fixed clamp 3, and fixed clamp 3 is clamped and fixed on the support frame of the side of belt conveyor, one side of fixed clamp 3 is fixed arc plate, and arc plate is connected in the low end of positioning cylinder 2, and the other side is two detachable and smaller half-arc plate, and smaller half-arc plate is connected on arc plate by bolt, and arc plate and half-arc plate are clamped and fixed together on the support frame of the side of belt conveyor, support column 4 is installed in the middle of support frame 1, and the top side of support column 4 is equipped with positioning shaft 5 by bearing, and L-shaped linkage lever 6 is installed on positioning shaft 5, and the front end of linkage lever 6 is slidably provided with swing lever 7, and swing lever 7 slides in the notch of the front end of linkage lever 6, by pulling swing lever 7 in the notch, the position of trigger plate 10 can be adjusted, and the outer wall of the notch of the front end of linkage lever 6 is equipped with bolt to be fixed, and the front end of swing lever 7 is equipped with positioning sleeve 8, and lifting rod 9 is slidably arranged in positioning sleeve 8, lifting rod 9 can slide in positioning sleeve 8, and the height between trigger plate 10 and conveying belt is adjusted, and the outer wall of positioning sleeve 8 is equipped with bolt to be fixed, and the low end of lifting rod 9 is equipped with trigger plate 10, and trigger plate 10 is strip-shaped, and trigger plate 10 is correspondingly arranged on the upper side of the conveying belt of belt conveyor, and the rear vertical end of linkage lever 6 is equipped with press contact 11, and emergency stop button 12 is also installed in the middle position of support frame 1, and press contact 11 corresponds with emergency stop button 12, and emergency stop button 12 is press type trigger, and emergency stop button 12 is electrically connected to the control system of belt conveyor, when large coal (gangue) is conveyed along with the conveying belt of belt conveyor, it can touch trigger plate 10 and lift, by the cooperation of lifting rod 9, swing lever 7, linkage lever 6 and positioning shaft 5, the rear end bottom side of linkage lever 6 can be moved to front side, press contact 11 triggers emergency stop button 12, and the emergency stop signal of emergency stop button 12 is transmitted to the control system of belt conveyor, so that the conveyor executes stop operation, and it can be cleaned by artificial, limit plate 13 is installed on support column 4, and the front end bottom side of linkage lever 6 corresponds and is attached on limit plate 13, limit plate 13 supports the heavier end of the front side of linkage lever 6, to ensure that trigger plate 10 is at a certain height on the upper side of the conveying belt of belt conveyor, to avoid that the weight borne by the front end of linkage lever 6 with positioning shaft 5 as center is always greater than the weight of the rear vertical end of linkage lever 6, so that it can ensure that trigger plate 10 is close to a certain height on the upper side of the conveying belt of belt conveyor.
[0022] The operation steps of the present application are:
[0023] When there is a large piece of coal (gangue) with the belt conveyor belt conveying, it will touch the trigger plate 10 to lift, using the cooperation of the lifting rod 9, the swing rod 7, the linkage rod 6 and the positioning shaft 5, the rear end bottom side of the linkage rod 6 can be moved to the front side, the emergency stop button 12 is triggered by pressing the contact 11, the emergency stop signal of the emergency stop button 12 is transmitted to the control system of the belt conveyor, so that the conveyor executes the stop operation, and the large piece of coal (gangue) can be cleaned by manual.
[0024] In the description of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0025] In the present application, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, for those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0026] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An intercepting device for large pieces of coal on a conveyor belt, characterized in that: The application relates to a support frame (1) comprising an inverted U shape, vertical ends of both sides of the support frame (1) are slidably provided with positioning cylinders (2), bottom ends of the positioning cylinders (2) are provided with fixed clamps (3), a support column (4) is installed on the middle part of the support frame (1), a positioning shaft (5) is installed on the top side of the support column (4), an L-shaped linkage rod (6) is installed on the positioning shaft (5), a swing rod (7) is slidably arranged at the front end of the linkage rod (6), a positioning sleeve (8) is installed at the front end of the swing rod (7), a lifting rod (9) is slidably arranged in the positioning sleeve (8), a trigger plate (10) is installed at the low end of the lifting rod (9), a press contact (11) is installed at the rear vertical end of the linkage rod (6), an emergency stop button (12) is installed at the middle part of the support frame (1), and the press contact (11) corresponds to the emergency stop button (12).
2. A device for intercepting large pieces of coal on a conveyor belt according to claim 1, characterized in that: The trigger plate (10) is in a strip shape, and the trigger plate (10) is correspondingly arranged on the upper side of a conveying belt of a belt conveyor.
3. A device for intercepting large pieces of coal on a conveyor belt according to claim 1, characterized in that: The fixed clamp (3) is clamped and fixed on the support frame of the side edge of the belt conveyor.
4. A device for intercepting large pieces of coal on a conveyor belt according to claim 1, characterized in that: A limiting plate (13) is installed on the support column (4), and the front end bottom side of the linkage rod (6) is correspondingly attached on the limiting plate (13).
5. A device for intercepting large pieces of coal on a conveyor belt according to claim 1, characterized in that: The emergency stop button (12) is a press type trigger, and the emergency stop button (12) is electrically connected to a control system of the belt conveyor.
6. A device for intercepting large pieces of coal on a conveyor belt according to claim 1, characterized in that: The weight borne by the front end of the linkage rod (6) is always greater than the weight of the rear vertical end of the linkage rod (6) with the positioning shaft (5) as the center.